How does the author of the Sai Satcharitra explain his ability to write the book?

The author humbly describes his role as a mere instrument of a higher power. In Chapter 25, he states that his 'meager intellect became endowed with courage and special knowledge' at the moment he began writing. He expresses that he would not have had the 'audacity' to compose this 'nectar-like life story' on his own. He views the book not as his own work, but as the 'grace and "Prasad" of the Saint's feet.' He believed that Sai Himself would accept the book for the salvation of devotees, and this conviction gave him the courage to undertake the task.